Ya'll are troopers. I cannot imagine brewing in the bitter cold like that - even though I lived in Colorado, Kansas and Nebraska. I hate brewing in my 115F garage in the summers, which gives my fermenter real troubles, and my ground water is 90F.
The suggestion about recirculating the strike water for a while is good advice. [/size]I really think preheating the system up with a hot recirculation is the key, as is keeping the air movement around the kettles to a minimum. The whole system is a giant heat sink... and you could think of it like starting your car 10 minutes before you drive to get it heated up. Use that spare time to sort your hops or mineral additions... shovel a path...[/font]
[/size]Do stay warm.